./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.13.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:16:29,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:16:29,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-19 14:16:29,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:16:29,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:16:29,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:16:29,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:16:29,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:16:29,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:16:29,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:16:29,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:16:29,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:16:29,336 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:16:29,336 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:16:29,339 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:16:29,340 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:16:29,340 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:16:29,340 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:16:29,340 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:16:29,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:16:29,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:16:29,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:16:29,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:16:29,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:16:29,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:16:29,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:16:29,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:16:29,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:16:29,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:16:29,343 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:16:29,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:16:29,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:16:29,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:16:29,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:16:29,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:16:29,345 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:16:29,347 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a [2024-11-19 14:16:29,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:16:29,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:16:29,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:16:29,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:16:29,648 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:16:29,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.13.c [2024-11-19 14:16:31,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:16:31,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:16:31,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.13.c [2024-11-19 14:16:31,287 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063e8aa72/2410df9f45364e8b98c4b1de1e938a66/FLAG24d498444 [2024-11-19 14:16:31,304 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063e8aa72/2410df9f45364e8b98c4b1de1e938a66 [2024-11-19 14:16:31,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:16:31,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:16:31,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:16:31,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:16:31,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:16:31,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782182b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31, skipping insertion in model container [2024-11-19 14:16:31,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:16:31,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:16:31,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:16:31,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:16:31,556 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:16:31,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31 WrapperNode [2024-11-19 14:16:31,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:16:31,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:16:31,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:16:31,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:16:31,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,582 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-11-19 14:16:31,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:16:31,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:16:31,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:16:31,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:16:31,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,605 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 14:16:31,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:16:31,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:16:31,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:16:31,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:16:31,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (1/1) ... [2024-11-19 14:16:31,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:31,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:31,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:31,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-19 14:16:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:16:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:16:31,780 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:16:31,782 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:16:31,905 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-19 14:16:31,906 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:16:31,922 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:16:31,922 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:16:31,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:31 BoogieIcfgContainer [2024-11-19 14:16:31,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:16:31,924 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:16:31,924 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:16:31,929 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:16:31,929 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:31,930 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:16:31" (1/3) ... [2024-11-19 14:16:31,931 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ef444ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:16:31, skipping insertion in model container [2024-11-19 14:16:31,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:31,931 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:31" (2/3) ... [2024-11-19 14:16:31,931 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ef444ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:16:31, skipping insertion in model container [2024-11-19 14:16:31,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:31,931 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:31" (3/3) ... [2024-11-19 14:16:31,933 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.13.c [2024-11-19 14:16:31,979 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:16:31,979 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:16:31,979 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:16:31,979 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:16:31,980 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:16:31,980 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:16:31,980 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:16:31,980 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:16:31,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:31,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:31,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:31,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:32,000 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:16:32,000 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:16:32,000 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:16:32,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:32,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:32,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:32,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:32,001 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:16:32,001 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:16:32,009 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 8#L16-2true [2024-11-19 14:16:32,009 INFO L747 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 5#L13true assume main_~x~0#1 > main_~z~0#1;main_~x~0#1 := main_~x~0#1 - 1; 8#L16-2true [2024-11-19 14:16:32,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:32,016 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:16:32,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:32,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088123129] [2024-11-19 14:16:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:32,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:32,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:32,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2024-11-19 14:16:32,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:32,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383327300] [2024-11-19 14:16:32,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:32,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:32,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:32,138 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-11-19 14:16:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:32,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198062708] [2024-11-19 14:16:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:32,218 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:32,219 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:32,219 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:32,219 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:32,219 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:16:32,219 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,220 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:32,220 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:32,220 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration1_Loop [2024-11-19 14:16:32,220 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:32,220 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:32,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:32,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:32,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:32,315 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:32,316 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:16:32,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:32,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:32,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-19 14:16:32,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:32,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:32,347 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:32,347 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:32,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-19 14:16:32,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:32,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:32,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-19 14:16:32,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:32,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:32,381 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:32,381 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:32,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-19 14:16:32,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:32,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:32,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-19 14:16:32,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:32,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:32,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:32,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:32,432 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:32,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-19 14:16:32,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:16:32,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:32,555 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:16:32,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-19 14:16:32,560 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:32,560 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:32,560 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:32,561 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:32,561 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:16:32,561 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,561 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:32,561 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:32,561 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration1_Loop [2024-11-19 14:16:32,561 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:32,561 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:32,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:32,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:32,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:32,630 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:32,635 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:16:32,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:32,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:32,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-19 14:16:32,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:32,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:32,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:32,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:32,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:32,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:32,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:32,670 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:32,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-19 14:16:32,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:32,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:32,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-19 14:16:32,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:32,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:32,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:32,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:32,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:32,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:32,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:32,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:32,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-19 14:16:32,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:32,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:32,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-19 14:16:32,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:32,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:32,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:16:32,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:32,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:32,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:32,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:16:32,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:16:32,765 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:16:32,769 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-19 14:16:32,769 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:16:32,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:32,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:32,773 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:32,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-19 14:16:32,775 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:16:32,775 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:16:32,775 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:16:32,776 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-11-19 14:16:32,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:32,795 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:16:32,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:32,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:16:32,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:32,853 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:16:32,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:16:32,887 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-19 14:16:32,889 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:32,933 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 29 transitions. Complement of second has 6 states. [2024-11-19 14:16:32,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:16:32,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:32,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-19 14:16:32,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-19 14:16:32,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:32,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-19 14:16:32,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:32,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-19 14:16:32,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:32,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2024-11-19 14:16:32,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:32,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 11 states and 16 transitions. [2024-11-19 14:16:32,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-19 14:16:32,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-19 14:16:32,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2024-11-19 14:16:32,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:16:32,952 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2024-11-19 14:16:32,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2024-11-19 14:16:32,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-19 14:16:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2024-11-19 14:16:32,976 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-11-19 14:16:32,976 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-11-19 14:16:32,976 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:16:32,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2024-11-19 14:16:32,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:32,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:32,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:32,978 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-19 14:16:32,978 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:16:32,978 INFO L745 eck$LassoCheckResult]: Stem: 71#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 72#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 73#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 68#L13 [2024-11-19 14:16:32,978 INFO L747 eck$LassoCheckResult]: Loop: 68#L13 assume !(main_~x~0#1 > main_~z~0#1); 64#L16 assume main_~y~0#1 > main_~z~0#1;main_~y~0#1 := main_~y~0#1 - 1; 65#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 68#L13 [2024-11-19 14:16:32,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:32,981 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-19 14:16:32,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:32,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226153344] [2024-11-19 14:16:32,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:32,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:32,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:32,990 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2024-11-19 14:16:32,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:32,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512477725] [2024-11-19 14:16:32,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:32,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:32,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:33,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:33,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:33,007 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2024-11-19 14:16:33,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:33,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731124554] [2024-11-19 14:16:33,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:33,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:33,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:33,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:33,056 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:33,056 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:33,057 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:33,057 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:33,057 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:16:33,057 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,057 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:33,057 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:33,057 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration2_Loop [2024-11-19 14:16:33,057 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:33,058 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:33,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:33,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:33,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:33,111 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:33,111 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:16:33,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:33,114 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:33,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-19 14:16:33,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:33,119 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:33,142 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:33,142 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:33,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:33,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:33,157 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:33,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-19 14:16:33,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:33,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:33,180 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:33,181 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:33,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:33,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:33,198 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:33,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-19 14:16:33,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:33,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:33,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-19 14:16:33,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:33,233 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:33,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-19 14:16:33,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:16:33,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:33,478 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:16:33,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:33,483 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:33,483 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:33,483 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:33,483 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:33,483 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:16:33,483 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,483 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:33,484 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:33,484 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration2_Loop [2024-11-19 14:16:33,484 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:33,484 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:33,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:33,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:33,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:33,538 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:33,538 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:16:33,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:33,540 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:33,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-19 14:16:33,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:33,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:33,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:33,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:33,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:33,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:33,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:33,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:33,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:33,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:33,572 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:33,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-19 14:16:33,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:33,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:33,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:16:33,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:33,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:33,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:33,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:16:33,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:16:33,590 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:16:33,600 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-19 14:16:33,600 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:16:33,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:33,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:33,603 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:33,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-19 14:16:33,607 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:16:33,607 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:16:33,607 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:16:33,611 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1, ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~z~0#1 + 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-19 14:16:33,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-19 14:16:33,635 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:16:33,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:33,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:16:33,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:33,680 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:16:33,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:16:33,752 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-19 14:16:33,752 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:33,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 54 transitions. Complement of second has 7 states. [2024-11-19 14:16:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-19 14:16:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-19 14:16:33,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-19 14:16:33,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:33,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-19 14:16:33,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:33,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-19 14:16:33,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:33,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2024-11-19 14:16:33,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:33,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 25 states and 36 transitions. [2024-11-19 14:16:33,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-19 14:16:33,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-19 14:16:33,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 36 transitions. [2024-11-19 14:16:33,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:16:33,820 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2024-11-19 14:16:33,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 36 transitions. [2024-11-19 14:16:33,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2024-11-19 14:16:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2024-11-19 14:16:33,823 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-11-19 14:16:33,823 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-11-19 14:16:33,823 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:16:33,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2024-11-19 14:16:33,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:33,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:33,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:33,825 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-19 14:16:33,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:16:33,825 INFO L745 eck$LassoCheckResult]: Stem: 161#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 162#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 163#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 167#L13 assume !(main_~x~0#1 > main_~z~0#1); 152#L16 [2024-11-19 14:16:33,825 INFO L747 eck$LassoCheckResult]: Loop: 152#L16 assume !(main_~y~0#1 > main_~z~0#1); 153#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 157#L13 assume !(main_~x~0#1 > main_~z~0#1); 152#L16 [2024-11-19 14:16:33,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-19 14:16:33,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:33,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147490499] [2024-11-19 14:16:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:33,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:33,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:33,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:33,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:33,839 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2024-11-19 14:16:33,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:33,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910278189] [2024-11-19 14:16:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:33,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:33,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-19 14:16:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:33,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-19 14:16:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:16:33,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:16:33,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910278189] [2024-11-19 14:16:33,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910278189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:16:33,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:16:33,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:16:33,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343933133] [2024-11-19 14:16:33,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:16:33,929 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:16:33,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:16:33,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:16:33,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:16:33,934 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:33,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:16:33,957 INFO L93 Difference]: Finished difference Result 23 states and 31 transitions. [2024-11-19 14:16:33,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2024-11-19 14:16:33,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:16:33,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-11-19 14:16:33,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:16:33,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:16:33,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:16:33,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:16:33,958 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:33,958 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:16:33,959 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:33,959 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:16:33,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:16:33,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:16:33,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:16:33,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:16:33 BoogieIcfgContainer [2024-11-19 14:16:33,966 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:16:33,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:16:33,967 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:16:33,967 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:16:33,967 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:31" (3/4) ... [2024-11-19 14:16:33,969 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:16:33,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:16:33,971 INFO L158 Benchmark]: Toolchain (without parser) took 2663.51ms. Allocated memory is still 192.9MB. Free memory was 124.9MB in the beginning and 150.2MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:33,971 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 192.9MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:33,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.65ms. Allocated memory is still 192.9MB. Free memory was 124.7MB in the beginning and 113.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 14:16:33,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.81ms. Allocated memory is still 192.9MB. Free memory was 113.2MB in the beginning and 111.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:33,972 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 192.9MB. Free memory was 111.9MB in the beginning and 110.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:16:33,972 INFO L158 Benchmark]: RCFGBuilder took 306.30ms. Allocated memory is still 192.9MB. Free memory was 110.4MB in the beginning and 161.5MB in the end (delta: -51.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 14:16:33,973 INFO L158 Benchmark]: BuchiAutomizer took 2042.62ms. Allocated memory is still 192.9MB. Free memory was 161.5MB in the beginning and 151.3MB in the end (delta: 10.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-19 14:16:33,973 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 192.9MB. Free memory was 151.3MB in the beginning and 150.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:33,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 192.9MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.65ms. Allocated memory is still 192.9MB. Free memory was 124.7MB in the beginning and 113.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.81ms. Allocated memory is still 192.9MB. Free memory was 113.2MB in the beginning and 111.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 192.9MB. Free memory was 111.9MB in the beginning and 110.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.30ms. Allocated memory is still 192.9MB. Free memory was 110.4MB in the beginning and 161.5MB in the end (delta: -51.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2042.62ms. Allocated memory is still 192.9MB. Free memory was 161.5MB in the beginning and 151.3MB in the end (delta: 10.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 192.9MB. Free memory was 151.3MB in the beginning and 150.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * z) + x) and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * z) + y) and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 12 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax190 hnf100 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq145 hnf94 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:16:34,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE